package lotterysystem.lotterysystem.common.utils;


import cn.hutool.captcha.LineCaptcha;
import cn.hutool.captcha.generator.RandomGenerator;

public class CaptchaUtil {

    /**
     * 生成随机验证码
     * @param length 验证码长度
     * @return String
     */
    public static String getCaptcha(int length) {
        RandomGenerator randomGenerator = new RandomGenerator("0123456789",length);
        LineCaptcha lineCaptcha = cn.hutool.captcha.CaptchaUtil.createLineCaptcha(200,100);
        lineCaptcha.setGenerator(randomGenerator);

        //重新生成code
        lineCaptcha.createCode();

        return lineCaptcha.getCode();
    }
}
